<template>
  <div class="login">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
    >
      <h3 class="title"></h3>
      <div class="sqx">
        <div class="sqxin">
          <h3 class="sqxtith">登录</h3>
          <el-form-item prop="username">
            <el-input
              v-model="loginForm.username"
              type="text"
              auto-complete="off"
              placeholder="请输入账户"
              class="muser"
            >
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="loginForm.password"
              type="password"
              auto-complete="off"
              placeholder="请输入密码"
              @keyup.enter.native="handleLogin"
              class="mpwd"
            >
            </el-input>
          </el-form-item>
          <el-form-item prop="code">
            <el-input
              class="mqss"
              v-model="loginForm.code"
              auto-complete="off"
              placeholder="验证码"
              style="width: 63%;"
              @keyup.enter.native="handleLogin"
            >
              <svg-icon
                style="display:none"
                slot="prefix"
                icon-class="validCode"
                class="el-input__icon input-icon"
              />
            </el-input>
            <div class="login-code">
              <img :src="codeUrl" @click="getCode" />
            </div>
          </el-form-item>
          <el-checkbox
            v-model="loginForm.rememberMe"
            style="margin:0px 0px 25px 0px;font-size:22px;color:#fff;"
            >记住密码</el-checkbox
          >
          <el-form-item style="width:100%;">
            <el-button
              :loading="loading"
              size="medium"
              type="primary"
              style="width:100%;height:54px;line-height:54px;color:#fff;font-size:30px;padding:0;border-radius:0;background:#20a3f5;"
              @click.native.prevent="handleLogin"
            >
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>
          </el-form-item>
        </div>
      </div>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2019 ruoyi.vip All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      cookiePassword: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "用户名不能为空" }
        ],
        password: [
          { required: true, trigger: "blur", message: "密码不能为空" }
        ],
        code: [{ required: true, trigger: "change", message: "验证码不能为空" }]
      },
      loading: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.codeUrl = "data:image/gif;base64," + res.img;
        this.loginForm.uuid = res.uuid;
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), {
              expires: 30
            });
            Cookies.set("rememberMe", this.loginForm.rememberMe, {
              expires: 30
            });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" });
            })
            .catch(() => {
              this.loading = false;
              this.getCode();
            });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background: url("../assets/image/login-background.png") no-repeat;
  background-size: cover;
}
.title {
  margin: 0px auto 50px auto;
  text-align: center;
  color: #707070;
  background: url("../assets/image/m.png") no-repeat;
  width: 277px;
  height: 35px;
}

.login-form {
  margin: -200px 0 0 680px;
  border-radius: 6px;

  padding: 25px 25px 5px 25px;
  .el-input {
    height: 56px;
    input {
      background: rgba(#1b6eac, 0.3);
      font-size: 24px;
      color: #fff;
      border: 2px solid #1b6eac;
      height: 54px;
      padding-left: 60px;
      border-radius: 0;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  padding-top: 8px;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  display: none;
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.sqx {
  border: 2px solid #1b69a5;
  width: 580px;
  padding: 25px 50px 25px 50px;
  background: rgba(#152d53, 0.1);
  position: relative;
  &:after {
    content: "";
    position: absolute;
    width: 33px;
    height: 33px;
    background: url("../assets/image/lt.png");
    left: -2px;
    top: -2px;
  }
  &::before {
    content: "";
    position: absolute;
    width: 33px;
    height: 33px;
    background: url("../assets/image/rt.png");
    right: -2px;
    top: -2px;
  }
  .sqxin {
    &:after {
      content: "";
      position: absolute;
      width: 33px;
      height: 33px;
      background: url("../assets/image/lb.png");
      left: -2px;
      bottom: -2px;
    }
    &:before {
      content: "";
      position: absolute;
      width: 33px;
      height: 33px;
      background: url("../assets/image/rb.png");
      right: -2px;
      bottom: -2px;
    }
  }
}
.sqxtith {
  color: #00bff4;
  font-size: 32px;
  margin: 0 0 25px 0;
  font-weight: normal;
  text-align: center;
}
input::placeholder {
  color: #fff !important;
}
.muser input{
  background-image: url("../assets/image/u.png") !important;
  background-repeat: no-repeat !important;
  background-position: 20px 50% !important;
}
.mpwd input{
  background-image: url("../assets/image/p.png") !important;
  background-repeat: no-repeat !important;
  background-position: 20px 50% !important;
}
.el-checkbox__label{
  font-size: 22px !important;
}
.el-checkbox__inner{
  width: 22px !important;
  height: 22px !important;
}
.mqss input{
  background-image: url("../assets/image/u.png") !important;
  background-repeat: no-repeat !important;
  background-position: 20px 50% !important;
}
</style>
